Question # 1

Number of H+ ions when 0.1 mole of sulfuric acid is completely ionized in water

Choose an answer

4x6.022x10ê23

1×6.022x10ê23

2x6.022 x10ê23

2x6.022x10ê22

A substances has M_r74.5, a melting point of 772°C and a boiling point of 1407°C. It conducts electricity only when in the liquid state.What is the bonding present in this substances?

Choose an answer

covalent

ionic

metallic

hydrogen bonding

Organic pollutants in water are measured by

Choose an answer

DO

COD

Water logging

PH

Which is most acidic?

Choose an answer

H2O

C2H5OH

C4H9OH

CH3-CH2-CH2OH

Zine does not show variable oxidation state, because

Choose an answer

Its d-subshell is incomplete

Its d-subshell is complete

It is relatively soft metal

It has two electrons in outermost shell

Which of the following species is used to formation of glycerol fatty acid from triglyceride

Choose an answer

NaOH

Ni

Lipase

All

Compressibility factor for an ideal gas is

Choose an answer

1.5

1.0

2.0

0.5

RNA is a polymer of a nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Choose an answer

D-Ribose

wracil base

prosphate group

thyamine base

The cause of minamata disease is the pollution of

Choose an answer

Arsenic (As) into atomosphere

Industrial waste having Hg

Organic waste in drinking H₂O

Oil spills in H₂O

Zwitter ion are

Choose an answer

Basic

Acidic

Neutral

Carry both -ve and +ve charges

choose the best example of diffusion of gases:

Choose an answer

vapour condensing on moist surface

spreading of small from a scent bottle

hot air rising above a candle

bubbling in soda bottle

According to Raoult's law

Choose an answer

Relative lowering of V.P. is equal to mole fraction of solute

The lowering of V.P. is directly proportional to mole fraction of solute

V.P. of solvent above solution is equal to product of V.P. of pure solvent and mole fraction of solvent ins solution

All of the above

The number of atoms or molecules whose concentrations determine the rate of the reaction is called

Choose an answer

Molecularity

Order

Rate of reaction

Rate constant

Choose an answer

1-bromobutane

2-bromobutane

1-bromo-2-methyl propane

2-bromo-2-methyl propane

Which element belong to 5d series

Choose an answer

V

Nb

Pd

Hf

Addition of iron fillings to CuSO₄solution caused precipitation of Cu owing to the

Choose an answer

Reduction of Cu²⁺

Oxidation of Cu²⁺

Reduction of Fe

Reduction of Fe³⁺

Atomic number of Al is 13. When it forms ionic bond with oxygen the number of electrons lost by 1 Al atom is

Choose an answer

1

2

3

4

Which of the following has ester linkage?

Choose an answer

Nylon

Bakelite

Terylene

PVC

When 6d orbital is complete, the entering electron goes into:

Choose an answer

7f.

7s.

7p.

7d.

Molar mass of high molecular w.f. polymers ranges form:

Choose an answer

1000 to 10000

10000 to 100000

100000 to 1000000

1000000 to 10000000

Choose an answer

0.60

1.67

0.66

2.6

When metallic sodium in ether is heated with ethyl chloride, which alkane is formed

Choose an answer

Propane

Ethane

Iso-butane

N-butane

More Classes

Other Links

Chemistry General Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer